221210200102 has 16 divisors (see below), whose sum is σ = 332410811040. Its totient is φ = 110406739968.

The previous prime is 221210200037. The next prime is 221210200111. The reversal of 221210200102 is 201002012122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3175348 + ... + 3244264.

It is an arithmetic number, because the mean of its divisors is an integer number (20775675690).

Almost surely, 2^221210200102 is an apocalyptic number.

221210200102 is a deficient number, since it is larger than the sum of its proper divisors (111200610938).

221210200102 is a wasteful number, since it uses less digits than its factorization.

221210200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71775.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221210200102 its reverse (201002012122), we get a palindrome (422212212224).

The spelling of 221210200102 in words is "two hundred twenty-one billion, two hundred ten million, two hundred thousand, one hundred two".